In 2010, Steve Kroft profiled microbiologist J. Craig Venter, known for his work in mapping the human genetic code. At the time, Venter had announced his team had created "the first synthetic species," a bacteria designed with man-made DNA. Venter died Wednesday at the age of 79.
The U.K. has raised its national threat level from "substantial" to "severe," citing the increasing threat of Islamist and extreme right-wing terrorism in the country.
President Trump said Wednesday he is considering reducing the number of U.S. forces in Germany, amid a spat with Germany's chancellor and the NATO alliance over Iran.